<template>
    <div id="init-viewer-wrapper">
    </div>
</template>
  
<script>
export default {
    name: 'Clamp',
    components: {},
    mounted() {
        this.initViewer()
    },
    methods: {
        async initViewer() {
            Cesium.Ion.defaultAccessToken = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiIzM2RjYjJlOC01ZTQwLTQwODYtOTEwMy02M2U4OGEzYjQyNGUiLCJpZCI6MjI5NjUsInNjb3BlcyI6WyJhc3IiLCJnYyJdLCJpYXQiOjE1ODI0NTYwMzF9.VG2_T9ry8EnBWAh4msJ3s6m2jW_5hgAZQvfEQDh-WQs"
            window.viewer = new window.Cesium.Viewer("init-viewer-wrapper", {
                // terrainProvider: new window.Cesium.CesiumTerrainProvider({
                //     url: 'http://data.mars3d.cn/terrain',
                //     requestWaterMask: true,
                //     requestVertexNormals: true
                // }),
                sceneMode: window.Cesium.SceneMode.SCENE3D,
                vrButton: false,
                animation: false,
                baseLayerPicker: false,
                geocoder: false,
                timeline: false,
                fullscreenButton: false,
                homeButton: false,
                creditContainer: document.createElement('div'),
                infoBox: true,
                navigationHelpButton: false,
                sceneModePicker: false,
                scene3DOnly: true,
                skyBox: new window.Cesium.SkyBox({
                    sources: {
                        positiveX: require('@/assets/images/tycho2t3_80_px.jpg'),
                        negativeX: require('@/assets/images/tycho2t3_80_mx.jpg'),
                        positiveY: require('@/assets/images/tycho2t3_80_py.jpg'),
                        negativeY: require('@/assets/images/tycho2t3_80_my.jpg'),
                        positiveZ: require('@/assets/images/tycho2t3_80_pz.jpg'),
                        negativeZ: require('@/assets/images/tycho2t3_80_mz.jpg'),
                    }
                })
            });
            window.viewer.scene.globe.depthTestAgainstTerrain = true;
            let imageryProvider = new window.Cesium.ArcGisMapServerImageryProvider({
                url: 'https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer',
                layers: '4',
                maximumLevel: 18,
                enablePickFeatures: true
            })
            window.viewer.imageryLayers.addImageryProvider(imageryProvider)


            //定位
            window.viewer.camera.flyTo({
                destination: Cesium.Cartesian3.fromDegrees(70, 40, 1534)
            })

            //添加小车模型
            // window.viewer.entities.add({
            //     position: Cesium.Cartesian3.fromDegrees(70, 40, 1434),
            //     show: true,
            //     model: {
            //         uri: "/model/glb/GroundVehicle.glb",
            //     },
            // });

            setTimeout(() => {
                let computedPosition = window.viewer.scene.sampleHeight(Cesium.Cartographic.fromDegrees(70, 40))
                console.log(computedPosition)
                window.viewer.entities.add({
                    position: Cesium.Cartesian3.fromDegrees(70, 40, computedPosition),
                    point: {
                        pixelSize: 10,
                        color: Cesium.Color.YELLOW
                    }
                })
            }, 5000)

        }
    }
}
</script>
  
<style>
#init-viewer-wrapper {
    width: 100%;
    height: 100%;
}
</style>
  